' Science fct-0ohs. 



DESCRIPTIVE BOTANY, 



A PRACTICAL GUIDE 



TO THE CLASSIFICATION OF PLANTS, 

 WITH A POPULAR FLORA. 



BY 



ELIZA A. YOUMANS, 



AUTHOR OF " THE FIRST BOOK OF BOTANY " ; EDITOR OF " HENSLOW's 

 BOTANICAL CHARTS." 



NEW YORK: 

 D. APPLETON AND COMPANY, 



I, 3, AND 5 BOND STREET. 

 1889. 



